Home / 215,298,163.20-322,947,244.80-189,788,995.20

Finding the Fourth Proportional to 215,298,163.20, 322,947,244.80 and 189,788,995.20

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Solution

The fourth proportional to 215,298,163.20, 322,947,244.80 and 189,788,995.20 is: 284,683,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,298,163.20 : 322,947,244.80 = 189,788,995.20 : x
  2. Step 2: Convert to fraction form
    215,298,163.20/322,947,244.80 = 189,788,995.20/x
  3. Step 3: Cross multiply
    215,298,163.20x = 322,947,244.80 × 189,788,995.20
  4. Step 4: Simplify right side
    215,298,163.20x = 61,291,833,093,200,424
  5. Step 5: Solve for x
    x = 61,291,833,093,200,424/215,298,163.20
  6. Step 6: Final answer
    x = 284,683,492.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.